[单选题]
A compound microscope haw 33 k4duaa.ja0 9zyaas any rt .,uwp45 u( wgiucdg;ho3. objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cmut; c. g g(iph.4udyrw3u,o w5, what is the total magnification?
